Most of us take for granted that we'll be safe when we get into our car. But that changes when we consider the number of impaired and distracted drivers.

Among teens surveyed, nearly 40 percent of 10th graders say they rode in a car within the past two weeks with a driver who'd been drinking. Source: U.S. Centers for Disease Control and Prevention (CDC)

13 percent of high school students say they drove after drinking within the past month. Source: CDC